1 /* Native-dependent code for FreeBSD/riscv. 2 3 Copyright (C) 2018-2023 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #include "defs.h" 21 #include "regcache.h" 22 #include "target.h" 23 24 #include <sys/types.h> 25 #include <sys/ptrace.h> 26 #include <machine/reg.h> 27 28 #include "fbsd-nat.h" 29 #include "riscv-tdep.h" 30 #include "riscv-fbsd-tdep.h" 31 #include "inf-ptrace.h" 32 33 struct riscv_fbsd_nat_target final : public fbsd_nat_target 34 { 35 void fetch_registers (struct regcache *, int) override; 36 void store_registers (struct regcache *, int) override; 37 }; 38 39 static riscv_fbsd_nat_target the_riscv_fbsd_nat_target; 40 41 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this 42 for all registers. */ 43 44 void 45 riscv_fbsd_nat_target::fetch_registers (struct regcache *regcache, 46 int regnum) 47 { 48 if (regnum == -1 || regnum == RISCV_ZERO_REGNUM) 49 regcache->raw_supply_zeroed (RISCV_ZERO_REGNUM); 50 fetch_register_set<struct reg> (regcache, regnum, PT_GETREGS, 51 &riscv_fbsd_gregset); 52 fetch_register_set<struct fpreg> (regcache, regnum, PT_GETFPREGS, 53 &riscv_fbsd_fpregset); 54 } 55 56 /* Store register REGNUM back into the inferior. If REGNUM is -1, do 57 this for all registers. */ 58 59 void 60 riscv_fbsd_nat_target::store_registers (struct regcache *regcache, 61 int regnum) 62 { 63 store_register_set<struct reg> (regcache, regnum, PT_GETREGS, PT_SETREGS, 64 &riscv_fbsd_gregset); 65 store_register_set<struct fpreg> (regcache, regnum, PT_GETFPREGS, 66 PT_SETFPREGS, &riscv_fbsd_fpregset); 67 } 68 69 void _initialize_riscv_fbsd_nat (); 70 void 71 _initialize_riscv_fbsd_nat () 72 { 73 add_inf_child_target (&the_riscv_fbsd_nat_target); 74 } 75